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Date:   Fri, 29 May 2020 18:02:56 +0200
From:   Jesper Dangaard Brouer <>
To:     David Ahern <>
Cc:     David Ahern <>,,,,,,,,,,,,,,
Subject: Re: [PATCH v3 bpf-next 1/5] devmap: Formalize map value as a named

On Fri, 29 May 2020 09:36:14 -0600
David Ahern <> wrote:

> On 5/29/20 2:22 AM, Jesper Dangaard Brouer wrote:
> > We do need this struct bpf_devmap_val, but I think it is wrong to make this UAPI.
> > 
> > A BPF-prog can get this via:  #include "vmlinux.h"  
> sure. I see that now.
> I forgot to fold in a small update to the selftests, so I need to send a
> v4 anyways. I will wait until later in the day in case there are other
> comments.

I've just posted a patchset on top of this V3, that moves struct
bpf_devmap_val, and that demonstrate via code that I mean by
leveraging BTF for dynamic config API.

Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat

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